Heart of Evil
Teenage Mutant Ninja Turtles (2012 TV series) episode
Season Code: 503
Episode: 107
Original airdate April 2, 2017
Written by Gavin Hignight
Directed by Rie Koga
Supervising Director  Ben Jones & Ciro Nieli
Episode chronology
← Previous Next →
"The Forgotten Swordsman" "End Times"

Tales of the Teenage Mutant Ninja Turtles Season 5
March 19, 2017 - November 12, 2017
List of Teenage Mutant Ninja Turtles episodes


  1. Scroll of the Demodragon
  2. The Forgotten Swordsman
  3. Heart of Evil
  4. End Times
  5. When Worlds Collide, Part 1
  6. When Worlds Collide, Part 2
  7. Yojimbo
  8. Osoroshi no Tabi
  9. Kagayakei! Kintaro
  10. Lone Rat and Cubs
  11. The Wasteland Warrior
  12. The Impossible Desert
  13. Carmageddon!
  14. The Curse of Savanti Romero
  15. The Crypt of Dracula
  16. The Frankenstein Experiment
  17. Monsters Among Us!
  18. Wanted: Bebop & Rocksteady
  19. The Foot Walks Again!
  20. The Big Blow-Out!

Season 1Season 2 - Season 3 - Season 4 - Season 5

Heart of Evil is the third episode of the fifth season of Teenage Mutant Ninja Turtles.


Donnie's grudge against Don Vizioso threatens the turtles' mission.


Major Characters

Minor Characters



Start a Discussion Discussions about Heart of Evil

  • Donatello's dark side

    13 messages
    • Angel Bridge wrote:Yes,yes i know that,i already see that image,i read the comic,i know what she did him and how many worlds he destroyed with ...
    • I haven't watched most of the 2003 TV series, and though I know ''Same As It Never Was'' is from that series, t...
  • Thoughts on Heart of Evil

    13 messages
    • Good ep but the mystery of the Foot mystics remain.
    • There Should be MORE ALOPEX!!! and i'd like to see some shiniangelo.
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